Abstract: In a demand level calculation apparatus (20) of the present invention, the advertisement information acquisition unit (21) acquires advertisement information on at least one of an advertising target product or an advertising target service in a specific area of a real space, the coordinate information generation unit (22) generates coordinate information associated with a fiducial marker installed in the specific area, and maps a virtual point indicating a specific position in the specific area on the coordinate information, and associates the virtual point with the advertisement information, the visitor information acquisition unit (23) acquires visitor information including attribute information and behavior information of a visitor in the specific area, and the demand level calculation unit (24) calculates a magnitude of a demand level for the advertisement information based on the advertisement information and the visitor information.

Abstract: In an advertisement information generation apparatus (30) of the present invention, the advertisement information generation unit (31) generates advertisement information on at least one of an advertising target product or an advertising target service, the coordinate information acquisition unit (32) acquires coordinate information associated with a fiducial marker installed in a specific area of a real space, a virtual point indicating a specific position in the specific area is mapped on the coordinate information, the virtual object generation unit (33) generates a virtual object associated with the virtual point and the advertisement information, the virtual object is composed of a main object and a sub object, the main object is an image object representing contents of the advertisement information, and the sub object is an object to which text information representing the contents of the advertisement information is added.

Abstract: According to one embodiment, the information processing device includes: a first state estimator configured to estimate a state of a target rechargeable battery based on: first data including a charge amount and voltage value of a rechargeable battery; information including a state of the rechargeable battery; and second data including a charge amount and voltage value of the rechargeable battery.

Abstract: A magnetic particle composition (e) containing magnetic particles (c) and a chaotropic salt (D), the magnetic particles (c) each including a core particle (P) that is a magnetic silica particle containing a magnetic metal oxide particle (A), wherein the magnetic metal oxide particle (A) in the core particle (P) has a weight percentage of 60 wt % or more based on the weight of the core particle (P), and the magnetic particles (c) have a particle size distribution with a coefficient of variation of 5 to 50%.